Formation of artificial marble



y 10, 1934- A. E. LARSON 1,965,900

FORMATION OF ARTIFICIAL MARBLE Filed Feb. 25, 1933 Patented July 10, 1934 UNITED STATES PATENT OFFICE FORMATION OF ARTIFICIAL MARBLE Arvid E. Larson, Salt Lake City, Utah Application February 25, 1933, Serial No. 658,672

2 Claims. 41-26) My invention relates to laying and formation layers. If a thin vein is desired I mix half dry of imitation marble composition flooring and color and half dry material and spread out and has for its object to provide an artificial marble force into the adjacent layer with a trowel. which in all appearances has all the qualities of When the desired amount of various colors is marble and is just as decorative as though real spread out one on top of the other as before de- 60 marble had been used. scribed, I take two adjoining ends or sides of the A further object is to provide an imitation marcloth on which the layers are spread and pull it ble flooring in which the different colored veins up over itself toward the center which causes the are laid therein and therethrough and which material to roll into a round roll or loaf with still retains this grained effect throughout the the colors in helical effect therein when looking 65 entire thickness of the material so that no amount at one end thereof. I then cut the roll into deof wear will change the appearance thereof. sired slices, the slices through theroll to depend A still further object is to provide a system of upon the desired effect wanted in the resulting making and laying imitation marble, creating floor or wall.

marble effect, which does not have an artificial If a long veined effect is desired, I cut the roll 70 appearance and which may be laid in any desired lengthwise but if a cross grained effect is deshape or design. sired, I cut the roll across at right angles to the Figure l is a side elevation of the material longitudinal axis. The roll may be cut through laminated, one layer upon the other, and all laid at any angle with each angle making a different .20 upon a cloth base preparatory to rolling the maeffect in the resulting material. These cuts are terial. then laid in places already prepared with thick- Figure 2 is a side elevation of Figure 1 with ness strips set in the positions desired. The surthe end of the cloth raised and the roll started. face of the material is then spread around with Figure 3 is a view of the roll with dotted lines a trowel, and the strips removed, and some of to indicate the directions of cutting the material the material from the cut is placed in the opening 80 to vary the pattern. left by the removal of the strips and the entire Figure 4 is a sectional view of the material in surface is then smoothed down by a trowel. the roll as it would look when the cut had been As soon as the material has set sufliciently hard made along the dotted line 4-4 of Figure 3. it may either be hand scraped or may be smoothed 20 Figure 5 is a sectional view of the material in down by any sanding machine. It is then waxed 85 the roll as it would look when out along the diand polished to the desired finish. agonal dotted line 5-5 of Figure 3. Having thus described my invention I desire In the drawing A represents the canvas or .to secure by Letters Patent and claim:-- cloth on which the layers 1, 2, and 3 of the ma- 1. A method of forming artificial marble, comterial are placed. These layers 1, 2, and 3 may prising laying laminated colors of already mois- 9 be made or mixed of different colored materials tened and mixed material upon a sheet of oilcloth, as described hereafter, to give the effect of marrolling the laminated colors into a roll by raisble, or may have the color dry and dusted on the ing two of the corners of the cloth, cutting the surface to give such effect. roll for the desired effect, laying the cut on the These objects I accomplish with the method and desired surface and smoothing the entire surface 95 process hereinafter set forth. by trowel.

Onto a piece of oilcloth or similar material I 2. A method of forming artificial marble, comlay a thickness of any color mixed material which prising laying layers of various colors upon an has already been moistened and mixed to the oilcloth, rolling the cloth to form a roll of the proper constituency. This layer is preferably layers thereon, cutting the roll longitudinally to 0 about one half inch thick. Superimposed onto form long grained effect laying the cuts in any this layer I then lay other layers of like material desired surface by smoothing the top surface either a like color or a different color until the down with a trowel, and finishing the entire surdesired number of colors and mixtures of colors face by sand papering and scraping to the dehas been obtained. This makes a stack of layers sired smoothness. 105

of mixed material resting one upon the other. ARVID E. LARSON.

Each separate color is mixed in a separate container and laid onto the stack of colors as desired,-and the thickness of the different colored veins desired is controlled by the thickness of the 

